diff --git a/package.json b/package.json
index 142db94..abf418c 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@types/react": "^16.8.13",
     "@types/react-dom": "^16.8.4",
     "@types/sinon": "^7.0.11",
-    "@types/sinon-chai": "^3.2.2",
+    "@types/sinon-chai": "3.2.2",
     "chai": "^4.2.0",
     "concurrently": "^4.1.0",
     "glob": "^7.1.3",